KNIFE RIVER CORPORATION - MOUNTAIN WEST

USDOT 3111936 · Doing business as KNIFE RIVER

ActiveEstablished authority

Active, interstate carrier, large fleet (374 power units) — no FMCSA safety rating on record (common).

USDOT3111936
MC NumberMC-83161
Fleet374 power units
Drivers275
Phone2083626152
LocationBoise, ID

Vetting summary

At a glance

  • Insurance on fileLiberty Mutual Insurance Company
  • Out-of-service rate22.7% vs 19.1% national avg
  • Crashes (24 months)5 reported — involvement does not imply fault
  • Authority ageGranted 8 years ago

These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.

Registration

Carrier identity

USDOT Number3111936
MC NumberMC-83161
Legal NameKNIFE RIVER CORPORATION - MOUNTAIN WEST
DBA NameKNIFE RIVER
Entity Type
Phone2083626152
Address5450 W GOWEN RD, Boise, ID, 83709

Status

Authority & safety

Operating StatusActive
Operation TypeInterstate
Safety RatingNone on record — most carriers have not received a formal FMCSA safety rating.
Hazmat Flagfalse

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Filings

Insurance

Current InsurerLiberty Mutual Insurance Company
Coverage on File$1,000,000
Insurance on File Since2018-03-20
InsurerCoverageFormEffectiveCancelled
Liberty Mutual Insurance Company$1,000,000BMC-91X2018-03-20

Timeline

Authority history

Authority First Granted2018-04-06 Established authority
Authority Events on Record1
  • 2018-04-06 — Granted — Motor Carrier of Property (Except Household Goods) Active GRANTED

Our scoring

Safety scores

Unsafe Driving
79 / 100
Hours-of-Service Compliance
0 / 100
Driver Fitness
87 / 100
Controlled Substances & Alcohol
0 / 100
Vehicle Maintenance
84 / 100

Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.

Safety events

Inspections & crashes (last 24 months)

Inspections22
Out-of-Service Rate22.7% vs 19.1% national average
Crashes5 total (0 fatal, 3 with injuries, 4 towaway)
  • 2026-06-24 — ID — 1 injured, towaway
  • 2026-05-11 — ID — towaway
  • 2026-04-14 — ID — towaway
  • 2025-11-05 — ID — 1 injured
  • 2025-11-04 — ID — 2 injured, towaway

Most frequent violation categories: 12 (12), 20 (5), 16 (3).

Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.

Equipment

Fleet & operations

Power Units (trucks)374
Drivers275
Recent Annual Mileage6,167,300
Last MCS-150 Filing23-JUN-25

KNIFE RIVER CORPORATION - MOUNTAIN WEST operates 374 power units — a larger fleet than 100% of carriers registered in ID.

Nearby

Other carriers in Boise, ID

Browse all carriers in Boise, ID or all ID carriers.